Cloning this repository:

git clone git://gitorious.org/dma-platformer/dma-platformer.git dma-platformer
cd dma-platformer

Add this repository as a remote to an existing local repository:

git remote add dma-platformer git://gitorious.org/dma-platformer/dma-platformer.git
git fetch dma-platformer
git checkout -b my-local-tracking-branch dma-platformer/master_or_other_branch